Cadillac CT6 (USA / CAN)

Coolant capacity & service interval

Cadillac CT6 (USA / CAN) coolant capacity ranges from 2,7 to 13,2 liters. The service interval is 150000 miles or 60 months. The data covers 12 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
CT6 4.2 AWD Twin Turbo (2019-2020)
  • Use: Normal
  • Capacity 10,9 liter
  • Capacity 12,5 liter (+ rear airconditioning)
  • Capacity 2,7 liter (Cooling system, intercooler)
  • Change 150000 miles/ 60 months
CT6 2.0 VVT (2018-2020)
  • Use: Normal
  • Capacity 8,6 liter
  • Capacity 10,3 liter (+ rear airconditioning)
  • Change 150000 miles/ 60 months
CT6 4.2 AWD Twin Turbo (2018-2020)
  • Use: Normal
  • Capacity 10,9 liter
  • Capacity 12,5 liter (+ rear airconditioning)
  • Capacity 2,7 liter (Cooling system, intercooler)
  • Change 150000 miles/ 60 months
CT6 2.0 VVT (2017-2018)
  • Use: Normal
  • Capacity 8,6 liter
  • Capacity 10,3 liter (+ rear airconditioning)
  • Change 150000 miles/ 60 months
CT6 3.0 AWD Twin Turbo (2017-2020)
  • Use: Normal
  • Capacity 10,6 liter
  • Capacity 12,3 liter (+ rear airconditioning)
  • Capacity 11,5 liter (+ auxiliary cooling)
  • Capacity 3,2 liter (Cooling system, intercooler)
  • Capacity 13,2 liter (+ rear airconditioning + auxiliary cooling)
  • Change 150000 miles/ 60 months
CT6 3.6 AWD (2017-2020)
  • Use: Normal
  • Capacity 9,8 liter
  • Capacity 11,4 liter (+ rear airconditioning)
  • Change 150000 miles/ 60 months
CT6 2.0 VVT (2016-2017)
  • Use: Normal
  • Capacity 8,6 liter
  • Capacity 10,3 liter (+ rear airconditioning)
  • Change 150000 miles/ 60 months
CT6 3.0 AWD Twin Turbo (2016-2017)
  • Use: Normal
  • Capacity 10,6 liter
  • Capacity 12,3 liter (+ rear airconditioning)
  • Capacity 11,5 liter (+ auxiliary cooling)
  • Capacity 3,2-3,6 liter (Cooling system, intercooler)
  • Capacity 13,2 liter (+ rear airconditioning + auxiliary cooling)
  • Change 150000 miles/ 60 months
CT6 3.6 AWD (2016-2017)
  • Use: Normal
  • Capacity 9,8 liter
  • Capacity 11,4 liter (+ rear airconditioning)
  • Change 150000 miles/ 60 months
  • CT6 Plug-in (2016-2019)
  • Combustion engine
  • Use: Normal
  • Capacity 9,8 liter
  • Change 150000 miles/ 60 months
  • CT6 Plug-in (2016-2019)
  • High voltage battery
  • Use: Normal
  • Capacity 3,1 liter
  • Change 150000 miles/ 60 months
  • Code: RESS
  • CT6 Plug-in (2016-2019)
  • Power electronics
  • Use: Normal
  • Capacity 4-4,2 liter
  • Change 150000 miles/ 60 months

Other Systems